1949677921 is an odd 10-digits composite number following 1949677920
and preceding 1949677922 . In scientific notation, it is written as 1.949677921 × 10^9.
The sum of its digits is 55. It has a total of 3 prime factors and 8 positive divisors.
There are 1901551680 positive integers (up to 1949677921) that are relatively prime to 1949677921.
1949677921 has 8 divisors, whose sum is 1997936864
The reverse of 1949677921 is 1297769491
Previous prime number is 691
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 55
Digital Root 1
Name
one billion nine hundred forty-nine million six hundred seventy-seven thousand nine hundred twenty-one
Scientific notation
1.949677921 × 10^9
Engineering notation
1.949677921 × 10^9
Prime Factorization
43 × 691 × 65617
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1949677921
Product of the distinct prime numbers
The prime factorization of 1949677921 is 43 × 691 × 65617.
Since it has a total of 3 prime factors.
9 , 9 , 21 , 34 , 995 , 448 , 1981 , 1451 , 21596 , 39745 , 551631 , 20555 , 1857013 , 8741459 , 97261034 , 87896213 , 596054755 , 762694239 , 784293728 , 3895427101
n×2
3899355842
n×3
5849033763
n×4
7798711684
n×5
9748389605
n÷2
974838960.5
n÷3
649892640.33333
n÷3
487419480.25
n÷5
389935584.2
n2
3801243995634882241
n3
7.4112014906231E+27
n4
1.444945591435E+37
n5
2.8171785166672E+46
2 √n
44155.157354493
3 √n
1249.2641900987
4 √n
210.13128599638
5 √n
72.109515026099
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1949677920
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
1
Returns the nth root of the product of n divisors
H
Harmonic Mean
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1949677921 can be divided by 8 positive divisors.
The sum of these divisors (counting 1949677921) is 1, the average is 0.125.
Base
System
Value
2
Binary
1110100001101011011100101100001
3
Ternary
12000212122220022101
4
Quaternary
1310031123211201
5
Quinary
12443104143141
6
Senary
521244210401
8
Octal
16415334541
10
Decimal
1949677921
12
Duodecimal
464b39a01
16
Hexadecimal
7435b961
20
Vigesimal
1a959eg1
36
Base36
w8sd41
md5
265a3303c8276f3ac7129f1bfa43c729
sha1
4a5b6b156f544e21c8c19c66858cac689a532e3e
sha256
91dee3742715cd72a57840c811ce373459aece4c8e9f3dd6ba9da9c1dd49348b
sha512
4faabdddf3ff38c3982164542a12ef9207699cab2a855078ee740af7d42bf2e74e5298601d734b253fa47a4c9dfee3903ae29b06f2a0ccc597c2c2dda19bfa57
ripemd-160
a96f534621afea0f9c9d9eaa8b03d8ca1259cbe9
Diameter
3899355842
Circumference
12250187666.96
Area
1.1941960211189E+19
Volume
3.1043968209621E+28
Surface area
4.7767840844755E+19
Circumference
12250187666.96
Perimeter
7798711684
Area
3801243995634882241
Diagonal
2757260958.1376
Surface area
2.2807463973809E+19
Volume
7.4112014906231E+27
Space diagonal
3376941217.5673
Perimeter
5849033763
Area
1.6459869331014E+18
Altitude
1688470608.7836
Surface area
1.6459869331014E+18
Volume
8.7341847179325E+26
Height
919086986.04586